7-[Amino or carboxy substituted oxyimino]-3-[amino or alkoxy sub

7-[carboxyakyl or alkenyl]-6-[alkyl or alkenyl]3-oxo-2,4-dioxobi

7-[carboxyalkyl or alkenyl]-6-[alkyl or alkenyl]3-oxo-2,4-dioxob

7-[substituted imino-2-(2-aminothiazol-4-yl)-acetamido]-3(2,2-di

7-[[3-(aminomethyl)-3-alkyl]-1-pyrrolidinyl]-quinoline-carboxyli

7.alph a.-Acylthio-15,16-methylene-3-oxo-17.alpha.-pregna-1,4-di

7.alpha. Ureido cephem-4-carboxylic acid derivatives

7.alpha.-(.xi.-aminoalkyl)-estratrienes, process for their produ

7.alpha.-Acylthio-1.alpha.,2.alpha.-methylene- 3-oxo-17.alpha.-p

7.alpha.-Alkoxycarbonyl-15.beta.,16.beta.-methylene-4-androstene

7.alpha.-Halogeno-3,20-dioxo-1,4-pregnadienes, methods for their

7.alpha.-Methoxy substituted cephalosporins

7.alpha.-Methoxycephalosporin derivatives

7.alpha.-Methoxycephalosporin derivatives and their pharmaceutic

7.alpha.-Methoxycephalosporin derivatives, and antibacterial dru

7.alpha.-Methoxycephalosporins

7.alpha.-Methoxycephalosporins

7.alpha.-methoxycephalosporins and pharmaceutical composition co

7.alpha.-Methylnorethindrone enanthate and its use in long term

7.alpha.-methylnorethindrone enanthate and its use in long term